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Zirconia ceramic core production

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Zirconia ceramic core production
Latest company news about Zirconia ceramic core production

Zirconia ceramic core production


To the preparation of zirconia ceramic core words, must first be ready for zirconia powder base material, titanium dioxide, here will have access to it can make the material has good liquidity injection molding process, taking more than pure zirconia ceramics fine linear expansion coefficient, thermal stress performance, at the same time improve the thermal and mechanical properties of the whole system, makes the material with high strength.


latest company news about Zirconia ceramic core production  0


And join the ethylene/vinyl acetate copolymer, especially it has the high elasticity and toughness, so can use it for polyurethane elastomer, aldehyde resin, high melt strength polypropylene, etc., and its penetration in the zirconia powder polymerization, make these organic binder is very good form with network structure, get the stable structure, thus forming the zirconia ceramic core is out of shape not easily.




In the preparation process of zirconia ceramic insert, polyaldehyde resin is usually used as an organic binder, which makes the zirconia ceramic insert forming billet with high strength, good shape retention, fast degreasing speed and high precision, greatly improving the product quality.




In addition to the preparation of zirconia ceramic insert, it is also necessary to know the firing method of ultra-fine zirconia ceramic. During the firing, nanometer powder with particle size of 30-60nm is used as raw material, and then it is spray-granulated and pressed into blank.The green billets are then placed in a sintering furnace for heating, insulation and degreasing.




Attention should be paid to the temperature control in the process of ultrafine zirconia firing. Neither the heating rate nor the cooling rate should be too fast or too slow.Notice heat preservation time even at the same time, get superfine crystal zirconia ceramic after cooling to room temperature.



Pub Time : 2019-10-08 09:47:14 >> News list
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